Having a baby in Japan – question regarding middle name

Hello guys,

I’m Brazilian and my wife is japanese, we’re having a baby in about 2 weeks or so.

When we married, she didn’t took my last name.

I heard the baby register in japan won’t allow the baby to have my last name, since my wife also doesn’t have.

I wanted to name the baby with both our families last name, like

Baby name – japanese – my foreign last name

Is it possible ?

5 comments
  1. No, the babies name will need to match your wife’s koseki. You can give the baby a really long unweildy first name by attaching your last name to it but please, for the love of god, don’t.

    That being said I don’t know about Brazil but the US for instance doesn’t care what the Japanese documents say you can name your kid whatever you want. Might be the same for Brazil.

  2. I don’t know what’s allowed but please please don’t curse your child with an overly long name! It’s a huge pain with a lot of processes, especially in Japan.

    Source: My parents decided to give me an overly long name.

  3. It is not possible to have both lasts names. (I wanted something similar as well).
    What ended up happening was.

    1.- baby took mother’s last name
    2.- we wanted to change it to my last name
    3 .- lots of paperwork to prove how is culturally acceptable in my culture for the woman not to take my last name.
    4.- requesting to change my child’s last name while also proving is ok for my child to have my last name but not the mother.

    Overall a pain in the ass. Good luck

  4. If you register the birth a d name with Brazil before you do so in Japan, Japan will take the name. We did this when my daughter was born since we wanted her to have a middle name. Japan accepted the middle name since we had already registered her with usa.

    Ignore all these silly comments about how hellish life will be with a long name.

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